99869920

素因数分解:

$2^5\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1409}}^1$

素因数の和:1867

約数の個数: 48

約数和(自身を含む): 236643120

約数和(自身を除く): 136773200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 443, 886, 1409, 1772, 2215, 2818, 3544, 4430, 5636, 7045, 7088, 8860, 11272, 14090, 14176, 17720, 22544, 28180, 35440, 45088, 56360, 70880, 112720, 225440, 624187, 1248374, 2496748, 3120935, 4993496, 6241870, 9986992, 12483740, 19973984, 24967480, 49934960, 99869920]

約数ペア:

[(1, 99869920), (2, 49934960), (4, 24967480), (5, 19973984), (8, 12483740), (10, 9986992), (16, 6241870), (20, 4993496), (32, 3120935), (40, 2496748), (80, 1248374), (160, 624187), (443, 225440), (886, 112720), (1409, 70880), (1772, 56360), (2215, 45088), (2818, 35440), (3544, 28180), (4430, 22544), (5636, 17720), (7045, 14176), (7088, 14090), (8860, 11272)]